Home / 21,968.28-32,957.26-6,387.12

Finding the Fourth Proportional to 21,968.28, 32,957.26 and 6,387.12

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Solution

The fourth proportional to 21,968.28, 32,957.26 and 6,387.12 is: 9,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.28 : 32,957.26 = 6,387.12 : x
  2. Step 2: Convert to fraction form
    21,968.28/32,957.26 = 6,387.12/x
  3. Step 3: Cross multiply
    21,968.28x = 32,957.26 × 6,387.12
  4. Step 4: Simplify right side
    21,968.28x = 210,501,974.49
  5. Step 5: Solve for x
    x = 210,501,974.49/21,968.28
  6. Step 6: Final answer
    x = 9,582.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.